"s. 



586 Count Nils Gyldenstolpe : A Nominal [Ibis, 



Batrachostonms affinis Blytli. 



B(it)'(ichosto)niis aipnis Blytli, Joiini. Asiat. Soc. Bengal^ 

 xvi. 1847, p. 1180 : Malacca. 



Extremely rare and hitherto only recorded hy Gairdner 

 from south-western Siani. 



Family Bucerotid^. 



Dichoceros bicornis Linn. 



Baceros hlcornis Linnoeus, Syst. Nat. Ed. x. 1758^ p. 104 : 

 China. 



The Great Hornbill is confined to the forests, and is 

 common throughout the whole country. It is very shy 

 and thus not easy to obtain, as it keeps to the highest 

 trees. 



Anthracoceros albirostris Shaw & Nodd. 

 Baceros alhirostris Shaw & Nodder, Gen. Zool. viii. 1818, 

 p. 13: Chandernagore, Bengal. 



Quite common throughout the country. 



Anthracoceros convexus Temm. 



Buceros ronve.ras Temuiinck, Planches Col. Nr. 530, 1831 : 

 Java. 



Replaces the foregoing in the southernmost parts of 

 Siam. Specimens recorded from Bukit Besar, Biserat, 

 and Jalor. 



Anorrhinus austeni Jerd. 



AnorrJiinus austejti Jerdon, Ibis, 1872, p. 6 : N. Cyachar 

 Hills. 



Apparently very rare in Siam, where it only has been 

 obtained up to the present time at Koon Tan. 



Anorrhinus tickelli Blyth. 



Buceros tickelli Bly'th, Journ. Asiat. Soc. Bengal, xxiv. 

 1855, p. 2t)() : Tenasserim. 



Obtained by Gairdner near Sai Yoke in south-western 

 Siam near the Tenasserim frontier. 



